Public Works Department Tender
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Public Works Department - PWD Tender
Electrical and Electronics
Electrical Works
Eprocure
Opening Date12 Sep 2024
Closing Date21 Oct 2024
Tender Amount₹ 5,80,000
Costs
EMD
₹ 11,600Document Cost
Refer DocumentsTender Fee
Refer Documents
Summary
Amc Shilpa Sadan__repair And Service Sub-station.
Description
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Contact
Tender Id
2024_PWDE_750337_1Bid Award Id
ViewTender No
WBPWD/EE/21/IR/T/KCED/I of 2024-25Tender Authority
Public Works Department ViewPurchaser Address
-Website
http://http://wbpwd.gov.in/
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BOQ Items
Earthing with 80 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 No. 65 mm x 8 mm galvanized (Hot Dip) steel strip (4 Mts. long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers including finishing both ends by making holes etc. and S & F 80 mm dia GI pipe (ISI-Medium) protection (3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 Mts
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Extra for providing masonery enclosure on the top of the earth electrode of overall size 86.36 cm x 86.36 cm x 46 cm deep (below Ground level) complete with cemented brick work(1:6) of 25 cm width duly plastered with cement morter (inside) CI hinged inspection cover of size 36.56 cm x 35.56 cm with locking arrangement, GI reducer including drilling of 46 nos.12 mm dia holes on the GI pipe
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Extra treatment of soil by using salt & charcoal for plate electrode as to G.S.
4
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Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 65 mm x 8 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required
45
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Excavation of soil ( Soft Soil) for installation of Earth Electrode and filling & ramming.
32
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Providing & fixing danger plates made of mild steel at least 2mm thick & vitreous enameled white on both sides & with inscription in signal red colour on front side as required.
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a) High Voltage - size 300mm x 200mm
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b) Medium Voltage - size 300mm x 200mm
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Providing and fixing carbon dioxide (CO2) type fire extinguishers conforming to IS 15222-2002 and cylinders fully charged of following capacity(4.5 Kg ) [Make - Fire Shield/ Ceasefire]
14
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Supply and fixing safety instruction chart in word duly framed with 5mm thick glass as required (approx. Front area 1.20 sq.mt.)
6
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Providing of set of 4 nos. 9.5 litre capacity GI bucket painted in post office red colour with prior coat of red-oxide paint and written with white paint 'FIRE' and mounted on MS angle iron frame with bracket and suitable base of appropriate size & capacity I/c filling sand etc.
5
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Providing First Aid Box conforming to IS 13115-1991. (Heavy gauge Al. Body) with all medicines and medical accessories as per recommendation.
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Supply and fixing shock treatment chart duly mounted on a wooden frame with 5mm thick glass as reqd. (approximate front area 1.20 sq.metre).
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Providing of rubber mat 2 mtrs Length x 1 m. wide and 12mm thick to withstand 15 KV dielectric strength as per IS 15652-2006.
6
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S & D of 11kv grade Rubber / equivalent Hand Gloves. (ISI Marked)
2
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Providing of rubber mat 2 mtrs Length x 1 m. wide and 6mm thick to with stand 3.3 KV dielectric strength as per IS 15652-2006.
4
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Supply and Replacement Epoxy Cast, Dual Core CT having CT ratio 100-50/5+5 with CORE1:5VA, Class -1.0 CORE2:5VA, Class - 5P10, STC - 26.3ka for 1 sec- 3 nos. (Mk.-BMC or Equivalent complying IS 2705-1992)
3
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Supply and Replacemet HT VCB Power Pack with capacitor back-up for 110V DC control supply for Closing & Tripping Coil, Relays, Indication Lamps- 1 no. Power pack to be fed from the secondary side of the Potential Transformer.(Mk.-Reputed)
1
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Thorough servicing, ovehauling of 3 Panel VCB Gear Panel (Make Bicco Lorrie) by removal of HT/VCB with self contained Tank Dismantling all the components of electrical ,& mechanical portion. cleaning the dust of the BBC/HT Bushing, Spout, CT ee. Washing the V contact, finger contact. femmie 3contact by CTC oil and apply petrolimm jelly after all nexescre work then testing with S KV HT Megyer for IR value as per direetion of EIC also Change for repairing mechanical contacts of VCB viz. fixed / moving contact which get jammed due to aging / prolonged non usage by skilled perconnel as per direction of EIC .Terminals of auxiliary contacts both male & female side in replacement of old damaged one as per direction of EIC
3
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Testing of Relay of HT Panel :
3
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Testing of CT of HT Panel i)Ratio by Pri Injection ii) Polarity iii) IR value iv) Winding Resistance
3
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Testing and Servicing PT dust & vermin proof Rubber Guarder as per direction of ElC
1
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Charge for repairing of relay tripping mechanism & servicing / cleaning of allied contacts / mechanical parts etc. to prevent nuisance tripping which have unnecessarily occurred frequently owing to malfunctioning of the tripping mechanism as per direction of EIC
3
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Checking, testing, cleaning, nut bolt tightening of 315kVA Dry Type Transformer after disconnecting as per direction of EIC.
1
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Through servicing & overhealing of 630/800A Air circuit breaker by opening the mechanical portion of the drawout unit from the setup, checking the mechanism, clearing, by CTC oil and reassembling properly s per direction of EIC.
2
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S & F on load front operated 415V, 630A Changeover Switch (Make: L&T, Cat. No.: CO463000SOO) with Sheet Steel Enclosure on frame as per direction of EIC.
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Charge for servicing, cleaning, repairing of Bus Coupler as per direction of EIC
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S & Instn. of castell locking arrangement in bus coupler as per direction of EIC.
2
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Dismantling of old damaged meter, indicator, main switch etc. with proper care & deposit the same at section store as per direction of EIC
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S & Inst. of 3 Phase Digital Ammeter of range 0-800A as per direction of EIC. (Make: L&T or equivalent)
2
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S & Instn. of 3 phase Digital Volteter of range 0-500V as per direction of EIC. (Make: L&T or equivalent)
2
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Charge for servicing, checking, testing, cleaning, tightening of all nut bolt etc. of the existing LT service panel uninterrupting the power service with necy. precaution using own tools & tackles by specially skilled worksmen as per direction of EIC
1
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S & F of 240V, 1-Phase Timer box in wall fabricated by powder coated MS sheet (16 SWG) with locking arrangement & DIN rail consisting of following items including necessary interconnections by suitable size of stranded PVC insulated 1.1 Kv grade copper wire after crimping as per direction of EIC and suitable auto - mannual by pass arrangement preferably by Toggole Switch-
(a) Double door 12 Way SPNDB with IP - 42/43 protection. (Make: L&T / Legrand)
(b) DIN mounted Analog timer having provision of adjustment 24 hour (Make: L&T / Legrand / GIC / GE)
(c) DIN mounted power contractor with 240V magnetic coil with 2 pole, 25A having NO & NC contractor. (Make: L&T / Legrand)
(d) 2 - pole 25A, 10 KA DIN mounted 'DPMCB 'C' curve (Make: Legrand / L&T) (e) One no red and one no. green 240 volt LED Indicating Auto & Bypass indication. (Make: L&T / Legrand)
2
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Supply & Fixing of 230V. 50 Hz. 85Watt Metal Body wall bracket fan having 45 cm (450 mm) sweep, Speed 1420 rpm, non-oscillating type aerodynamically balanced, full metal body & Blade and a Strong base for stability ,on wall with all accessories (Make : EPC/ Crompton AC VORTEX 18WM)
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